Gas-engine primer.



J. P. SCHWARTZ.

GAS ENGINE PRIMER.

APPLICATION TILED MAY 26, 1913.

1,083,634, Patented Jan.6,1914.

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JOHN P. SCHWARTZ, OF RICHMOND, MINNESOTA. a

GAS-ENGINE PRIMER.

Specification of Letters Patent.

Patented Jan. 6, 1914.

Application filed May 26, 1913. Serial No. 770,009.

To all whom it may concern:

Be it known that 1, JOHN P. SCHWARTZ, a citizen of the United States,residing at Richmond, in the county of Stearns, State of Minnesota, haveinvented certain new and useful Improvements in Gas-Engine Primers; andI do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

This invention relates to priming devices for gas engines and has for anobject to provide an extremely simple and effective device forconducting the gasolene into the cylinder and directing the same ontothe spark plug whereby the latter is cleaned of carbon while thegasolene for priming puro-ses is being passed into the cylinder.

A still further object is to provide a novel valve mechanism which maybe operated from the drivers seat to control the passage of the priminggasolene into the engine cylinder.

A still further object is to provide a priming device which will becomposed of a few simple and inexpensive parts that will be effective inoperation and will not easily get out of order.

Vith the above objects in view the invention consists of certain noveldetails of construction and combination of parts hereinafter fullydescribed and claimed, it being understood that various modificationsmay be made in the minor details of construction within the scope of theappended claims.

In the accompanying drawing illustrating this invention :Figure 1 is aside elevation of the device. Fig. 2 is a longitudinal sectional viewshowing the device in operative position. Fig. 3 is a longitudinalsectional view showing the device in released position. Fig. 4 is across sectional view on the line 4-4 Fig. 2. Fig. 5 is a cross sectionalview on the line 55 Fig. 2. Fig. 6 is a detail perspective view of thecombined guide and guard.

Referring now to the drawing in which like characters of referencedesignate similar parts, 10 designates a cylinder of a gas engine, and11 the spark plug carried by the cylinder.

Fixed to the cylinder is a bracket 12 having preferably three lateralarms 13, 14 and 15 which terminate in alined eyes that slidably receivea valve stem 16. A stop pin 17 is engaged transversely through the stemand is adapted to engage wit-h the arm 15 and limit movement of the stemtoward the engine. A helical spring 18 is confined under tension on thestem between the arm 14 and the collar 19 of the bracket arm 20, andnormally urges the stem away from the engine. The stem is formed with aconical tip which constitutes a valve 21, and is further formedlongitudinally with surface grooves 22 preferably four in number asshown in Fig. 4 which extend from end to end of the stem.

A tank 23 that contains the gasolene for priming purposes, is secured inany suitable manner above the engine and is equipped in the bottom withan outlet pipe 24 having in the mouth a conical valve seat 25 that isfaced with rubber 26 or other similar ma terial upon which the conicalvalve 21 seats, the rubber facing of the valve seat preventing leakage.The controlling spring 18 that is carried on the valve stem normallyholds the valve seated, and upon movement of the valve stem against thepressure of this spring, the valve is opened with a resultantgravitation of the priming gasolene down through the grooves 22 of thevalve stem.

A collar 27 is secured to the outlet pipe 24 by means of a set screw 28and is provided with spring arms 29 arranged in the form of a corolla,these arms entering the grooves 22 of the valve stem and when the valveis opened performing the function of guides to direct the gasolene intothe grooves and at the same time performing the function of guards whichprevent the gasolene from escaping outwardly from the conical valve.

A stem 30 is slidably fitted in an opening formed in the cylinderadjacent to the spark plug 11, the stem terminating in an enlargedconical valve 31 which is normally held seated with the base against theinner wall of the cylinder by means of a helical spring 32 that isconfined on the stem under tension between the cylinder and a stop pin33 engaged transversely through the stem, whereby loss of compressionwhen the engine is running is positively prevented. The valve stem 30 isin alinement with the above described valve stem 16 and upon depressionof the latter the valve stem 30 is depressed against the tension of itscontrolling spring 32 whereby the valve 31 is moved away from thecylinder wall. A series of grooves 84 are formed longitudiwith the tipof the valve 31 and has the smaller end disposed to discharge thepriming gasolene on to the spark points of the spark plug, whereby thepoints are cleansed of deposits while the priming gasolene is passinginto the cylinder. 7

For depressing the valve stem 16, a push rod 37 is engaged through anopening 38 in the floor of the automobile or like vehicle and isequipped with a head 39 by means of which the rod may be depressed bythe foot, there being a helical spring 40 confined under tension on therod between a wear plate 41 on the floor and the head 39 of the rod,which spring normally holds the rod at its outer limit of movement inreleased position. An angular lever 412 is pivoted at the elbow 43 onany suitable stationary support and has one leg pivotally connected asshown at A to the push rod 37 and has the other leg connected by meansof a link 45 to the above mentioned bracket arm 20. Upon depression ofthe push rod the angular lever will be rocked on its pivot with aresultant clepression of the valve stem 16 whereby the valve 21 and thevalve 31 are both opened to facilitate passage of the priming gasoleneinto the cylinder as above described.

What is claimed, is

1. The combination with a gas engine cyltank, and a connection betweensaid valve and said funnel operating to conduct the contents of saidtank into said funnel upon opening of said valve.

2. The combination with a gas engine cylinder, of a priming deviceincluding a tank having an outlet pipe, a manually controlledspring'pressed valve normally closing said outlet pipe and havinglongitudinal grooves,

a plurality of fingers projecting from said pipe into said grooves anddirecting the contents of said tank into said grooves upon opening ofsaid valve, and means for conducting the contents of said grooves intosaid cylinder upon opening of said valve.

3. The combination with a gas engine cylinder, of a valve in saidcylinder, a tank for priming fluid, an outlct pipe connected to saidtank, a manually operatable spring cont-rolled valve normally sealingsaid outlet pipe, depression of said valve against the pressure of itsspring serving to open the valve carried by said cylinder, means forholding said cylinder valve normally closed, both of said valves beingformed with longitudinal registering grooves adapted to conduct thecontents of said tank longitudinally of said valve and into saidcylinder.

In testimony whereof, I aflix my signature, in the presence of twowitnesses.

JOHN P. SCHWVARTZ.

Witnesses:

FRED V. STEIN, GERHARD MUGGLI.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

' Washington, 1X0,

